NPPES file of Aug 9, 2026

Katarina Marie Nguyen, NP-C

Nurse Practitioner · West Hollywood, CA

Katarina Marie Nguyen, NP-C is a nurse practitioner with a practice address in West Hollywood, California, and NPI 1538700448, issued on Oct 2, 2019. Check the license (California 95012522, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538700448
Name
Katarina Marie Nguyen
Credential
NP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95012522 CA
Self-reported in NPPES; status is on the state search
Practice location
8700 Beverly Blvd, West Hollywood, CA 90048
Phone
(310) 423-5000
Enumerated
Oct 2, 2019
Record last updated
Aug 21, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 8700 Beverly Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ryan Abdul-HaqqVascular Surgery Physician1386087864
  2. Sina Abedi, MDAnesthesiology Physician1497558951
  3. Gohar AbrahamryanPhysician Assistant1871729715
  4. Barham Abu Dayyeh, MDGastroenterology Physician1902927353
  5. Anisa Abu-Ramaileh, PHARM.D., BCPSPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1447769732
  6. Jay Acharya, MDNeuroradiology Physician1871995498

Verify Katarina Marie Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95012522
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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85% fewer Medicare Part D claims than the average nurse practitioner in 2024

164 Medicare Part D claims for 94 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 82 claims were for opioids.

  1. Katarina Nguyen164
  2. Specialty average1,109

Most prescribed

  1. Acetaminophen-Codeine70 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.9
  2. Costout of 100 · 30%49.4
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $23.65

1 payment: food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katarina Nguyen$23.65
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Katarina Marie Nguyen among 8,223 nurse practitioner records in California

Katarina Marie Nguyen, NP-C is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 61% of them.

  • NPI issued2019 · 61% of these records are older, 34% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2020 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 nurse practitioner records list a practice address in West Hollywood

They are 33 of the 2,619 NPPES records with a practice address in West Hollywood, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Michele Blecher, NPWest Hollywood, CA 900481760625123
  2. Alison Bonk, N. P.West Hollywood, CA 900481144577461
  3. Vivian Burkhart, NPWest Hollywood, CA 900481447337779
  4. Tiffany Campos, NPWest Hollywood, CA 900481508009713
  5. Sarah King Wah Chow, NPWest Hollywood, CA 900481700185261
  6. Lauren Damato, NPWest Hollywood, CA 900481629211834
  7. Ashley GillLos Angeles, CA 900481477978344
  8. Joan Kirschner, NPLos Angeles, CA 900481336443563

Common questions

What is Katarina Marie Nguyen, NP-C's NPI number?

Katarina Marie Nguyen, NP-C's National Provider Identifier (NPI) is 1538700448, issued on Oct 2, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Katarina Marie Nguyen, NP-C located?

The NPPES record lists a practice address at 8700 Beverly Blvd, West Hollywood, CA, 90048. Phone: (310) 423-5000. Providers update this record themselves, so call before visiting.

How can I verify Katarina Marie Nguyen, NP-C's license?

NPPES lists California license number 95012522, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Katarina Marie Nguyen, NP-C prescribe under Medicare Part D?

In 2024, Katarina Marie Nguyen, NP-C had 164 Medicare Part D claims for 94 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Katarina Marie Nguyen, NP-C's MIPS final score?

The 2023 MIPS final score is 87.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.